CVE-2005-2922

Exp

Heap-based buffer overflow in the embedded player in multiple RealNetworks products and versions including RealPlayer 10.x, RealOne Player, and Helix Player allows remote malicious servers to cause a denial of service (crash) and possibly execute arbitrary code via a chunked Transfer-Encoding HTTP response in which either (1) the chunk header length is specified as -1, (2) the chunk header with a length that is less than the actual amount of sent data, or (3) a missing chunk header.

Published: 2005-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-2922 is rated High Exploit Risk (85.9/100): CVSS Critical severity, with high exploitation likelihood (EPSS 5.78%, 92th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.42% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2005-2922

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2005-2922

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 4.36% 5.78% +1.42%
2 2025-03-30 5.58% 4.36% -1.22%
3 2025-03-29 — 5.58% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-2922

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2005-2922

OS Trackers for CVE-2005-2922

vendor priority summary link
redhat critical — https://access.redhat.com/security/cve/CVE-2005-2922

Affected software / configurations for CVE-2005-2922

Vendor Product Version Raw CPE
realnetworks helix_player 10.0 cpe:2.3:a:realnetworks:helix_player:10.0:*:linux:*:*:*:*:*
realnetworks helix_player 10.0.1 cpe:2.3:a:realnetworks:helix_player:10.0.1:*:linux:*:*:*:*:*
realnetworks helix_player 10.0.2 cpe:2.3:a:realnetworks:helix_player:10.0.2:*:linux:*:*:*:*:*
realnetworks helix_player 10.0.3 cpe:2.3:a:realnetworks:helix_player:10.0.3:*:linux:*:*:*:*:*
realnetworks helix_player 10.0.4 cpe:2.3:a:realnetworks:helix_player:10.0.4:*:linux:*:*:*:*:*
realnetworks helix_player 10.0.5 cpe:2.3:a:realnetworks:helix_player:10.0.5:*:linux:*:*:*:*:*
realnetworks helix_player 10.0.6 cpe:2.3:a:realnetworks:helix_player:10.0.6:*:linux:*:*:*:*:*
realnetworks realone_player — cpe:2.3:a:realnetworks:realone_player:*:*:*:*:*:*:*:*
realnetworks realone_player 0.288 cpe:2.3:a:realnetworks:realone_player:0.288:*:mac_os_x:*:*:*:*:*
realnetworks realone_player 0.297 cpe:2.3:a:realnetworks:realone_player:0.297:*:mac_os_x:*:*:*:*:*
realnetworks realone_player 1.0 cpe:2.3:a:realnetworks:realone_player:1.0:*:*:*:*:*:*:*
realnetworks realone_player 2.0 cpe:2.3:a:realnetworks:realone_player:2.0:*:*:*:*:*:*:*
realnetworks realplayer — cpe:2.3:a:realnetworks:realplayer:*:*:enterprise:*:*:*:*:*
realnetworks realplayer 8.0 cpe:2.3:a:realnetworks:realplayer:8.0:*:win32:*:*:*:*:*
realnetworks realplayer 10.0 cpe:2.3:a:realnetworks:realplayer:10.0:*:*:*:*:*:*:*
realnetworks realplayer 10.0.0.305 cpe:2.3:a:realnetworks:realplayer:10.0.0.305:*:mac_os:*:*:*:*:*
realnetworks realplayer 10.0.0.331 cpe:2.3:a:realnetworks:realplayer:10.0.0.331:*:mac_os:*:*:*:*:*
realnetworks realplayer 10.0.1 cpe:2.3:a:realnetworks:realplayer:10.0.1:*:linux:*:*:*:*:*
realnetworks realplayer 10.0.2 cpe:2.3:a:realnetworks:realplayer:10.0.2:*:linux:*:*:*:*:*
realnetworks realplayer 10.0.3 cpe:2.3:a:realnetworks:realplayer:10.0.3:*:linux:*:*:*:*:*
realnetworks realplayer 10.0.4 cpe:2.3:a:realnetworks:realplayer:10.0.4:*:linux:*:*:*:*:*
realnetworks realplayer 10.0.5 cpe:2.3:a:realnetworks:realplayer:10.0.5:*:linux:*:*:*:*:*
realnetworks realplayer 10.0.6 cpe:2.3:a:realnetworks:realplayer:10.0.6:*:linux:*:*:*:*:*
realnetworks realplayer 10.5 cpe:2.3:a:realnetworks:realplayer:10.5:*:*:*:*:*:*:*
realnetworks realplayer 10.5_6.0.12.1040 cpe:2.3:a:realnetworks:realplayer:10.5_6.0.12.1040:*:*:*:*:*:*:*
realnetworks realplayer 10.5_6.0.12.1053 cpe:2.3:a:realnetworks:realplayer:10.5_6.0.12.1053:*:*:*:*:*:*:*
realnetworks realplayer 10.5_6.0.12.1056 cpe:2.3:a:realnetworks:realplayer:10.5_6.0.12.1056:*:*:*:*:*:*:*
realnetworks realplayer 10.5_6.0.12.1059 cpe:2.3:a:realnetworks:realplayer:10.5_6.0.12.1059:*:*:*:*:*:*:*
realnetworks realplayer 10.5_6.0.12.1069 cpe:2.3:a:realnetworks:realplayer:10.5_6.0.12.1069:*:*:*:*:*:*:*
realnetworks realplayer 10.5_6.0.12.1235 cpe:2.3:a:realnetworks:realplayer:10.5_6.0.12.1235:*:*:*:*:*:*:*
realnetworks rhapsody 3.0 cpe:2.3:a:realnetworks:rhapsody:3.0:*:*:*:*:*:*:*
realnetworks rhapsody 3.0_build_0.815 cpe:2.3:a:realnetworks:rhapsody:3.0_build_0.815:*:*:*:*:*:*:*

References for CVE-2005-2922

URL Tags
http://secunia.com/advisories/19358 Vendor Advisory
http://secunia.com/advisories/19365 Patch Vendor Advisory
http://securitytracker.com/id?1015808
http://www.kb.cert.org/vuls/id/172489 Patch Third Party Advisory US Government Resource
http://www.novell.com/linux/security/advisories/2006_18_realplayer.html Patch Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-762.html Patch Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2005-788.html Patch Vendor Advisory
http://www.securityfocus.com/bid/17202 Exploit
http://www.service.real.com/realplayer/security/03162006_player/en/ Patch
http://www.vupen.com/english/advisories/2006/1057 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/25409
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11444
cvelogic Threat Intelligence